Up to 15% for facility fees or monthly bulk product charges and
cylinder rental rates;

Up to 15% on hardgoods

Price adjustments will vary as permitted by individual supply contracts.

These adjustments are due to persistent supply/demand imbalances for
some products in the United States and Canada combined with increases in
the cost of feedstock and other raw materials. In addition, energy costs
in the United States continue to increase, driven by state renewable
energy requirements and associated utility transmission and distribution
upgrades.

Praxair, Inc. is the largest industrial gases company in North and South
America, and one of the largest worldwide, with 2011 sales of $11
billion. The company produces, sells and distributes atmospheric,
process and specialty gases, and high-performance surface coatings.
Praxair products, services and technologies are making our planet more
productive by bringing efficiency and environmental benefits to a wide
variety of industries, including aerospace, chemicals, food and
beverage, electronics, energy, healthcare, manufacturing, metals and
others. More information on Praxair is available on the Internet at www.praxair.com.